晶石

The hydrothermal behavior of various types of alumina was investigated by means of XRD,which were derived from calcination of gibbsite,bayerite and nordstrandite at temperatures below 1000℃ and normal pressures or in vacuo.

用XRD方法研究了α－三水铝石在常压及真空中1000℃以下的脱水产物和湃铝石／诺水铝石在常压1000℃以下的脱水产物，经170℃水热处理和自身压力条件下的晶相变化。

Lazurite,hauyne and nosean are sulfate-rich members of the sodalite group minerals,in the structures of which there are observed one-dimen sional or multidimensional structural modulations, anti-phase domain structures and twin domain structures.

在黝方石、蓝方石和青金石等富含［SO4］2-的方钠石族矿物的有序结构中，常见有沿着一个或几个方向的结构调制，并还常伴随出现反相畴、双晶畴等畴结构。

Aluminosilicate mesoporous molecular sieves are synthesized with natural ore and microcline as main raw materials,and the precursors of 13X zeolite as crystal source,by integrating the synthetic procedures of mesoporous MCM-41 and microporous 13X zeolite.

以天然矿物微斜长石为主要原料，13X沸石前驱体为晶核剂，结合介孔分子筛MCM-41与13X沸石合成工艺，合成了孔壁中含有13X沸石基本结构单元的铝硅酸盐介孔分子筛。

Aluminosilicate mesoporous sieve s with 13X zeolite units in the pore wall were synthesized with a natural ore,microcline,as the main raw material,and the precursors of 13X zeolite as the crystal source,by integrating the procedures for MCM-41 and 13X zeolite synthesis.

以天然矿物微斜长石为主要原料，以13X沸石前驱体为晶核剂，结合介孔分子筛 MCM-41与13X沸石合成工艺，合成了孔壁中含有13X沸石基本结构单元的铝硅酸盐介孔分子筛。

Aluminosilicate mesoporous sieves with 13X zeolite units in the pore wall were synthesized with a natural ore, microcline ,as the main raw material,and the precursors of 13X zeolite as the crystal source,by integrating the procedures for MCM-41 and 13X zeolite synthesis.

以天然矿物微斜长石为主要原料，以13X沸石前驱体为晶核剂，结合介孔分子筛MCM-41与13X沸石合成工艺，合成了孔壁中含有13X沸石基本结构单元的铝硅酸盐介孔分子筛。

Densification process as well as formation mechanism of mullite was studied and discussed, and special attention was paid to the effect of mullite seeding on the reactionsintering mechanisms.

研究了反应烧结过程中致密化和莫来石的形成机制，重点讨论了莫来石晶种的引入对莫来石形成机制的影响。

When borax is added into mullite, Na+ as the electron acceptor easily enters into the lattice of mullite, causing a transition from mullite to nepheline.

因此，向莫来石中加入助熔剂硼砂时，硼砂中的Na＋作为电子接受体，非常容易进入莫来石的晶格中，促使莫来石转变为霞石，降低了灰熔融温度。

The lithology as a massive aphanitic to kaolinite or kaolinite, dickite as the main component of the multi-mineral rocks.

其岩性为一种隐晶质块状以高岭石或以高岭石、地开石为主要成分的多矿岩。

The diffusion of ethanethiol in MFI and MOR was investigated by Molecular Dynamics.

采用分子动力学方法模拟计算了乙硫醇分子在MFI和MOR两种拓扑结构沸石中的动力学性质，比较了乙硫醇不同负载量和沸石晶格原子刚性和柔性两种状态下乙硫醇分子在沸石孔道中扩散系数的大小。

In this research,by way of the static state erosion experiment,and many kind material test means,three kinds of refractory erosions condition and the changes of CAS glass ceramic structure and performance have been discussed in detail. This paper has gained the full accurate data of large numbers,and has found out the influence level and law of different kind refractory and different erosions measuring to glass ceramic structure and performance.

本研究通过进行耐火材料在CAS微晶玻璃中的的静态侵蚀实验，运用多种有效的材料测试手段，深入研究了粘土、白泡石、锆刚玉等三种常用耐火材料的侵蚀状况及CAS系统微晶玻璃结构及性能产生的变化，获得了大量详实的数据，探讨了不同种类耐火材料、不同侵蚀量对微晶玻璃结构及性能影响的程度和规律。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐